Finding the Third Proportional to 123,243 and 252,327

Step by Step Solution

1. Step 1: Write the proportion equation
   123,243 : 252,327 = 252,327 : x
2. Step 2: Convert to fraction form
   123,243/252,327 = 252,327/x
3. Step 3: Cross multiply
   123,243x = 252,327 × 252,327
4. Step 4: Simplify right side
   123,243x = 63,668,914,929
5. Step 5: Solve for x
   x = 63,668,914,929/123,243
6. Step 6: Final answer
   x = 516,612.83